<?php
class CommonComponent extends Object{

// Ham chuyen doi tieng viet sang khong dau
function unicode_convert($str){
if(!$str) return false;
$unicode = array(
'a'=>array('á','à','ả','ã','ạ','ă','ắ','ặ', 'ằ','ẳ','ẵ','â','ấ','ầ','ẩ','ẫ','ậ','� �'),
'A'=>array('Á','À','Ả','Ã','Ạ','Ă','Ắ','Ặ', 'Ằ','Ẳ','Ẵ','Â','Ấ','Ầ','Ẩ','Ẫ','Ậ','� �'),
'd'=>array('đ'),
'D'=>array('Đ'),
'e'=>array('é','è','ẻ','ẽ','ẹ','ê','ế','ề' ,'ể','ễ','ệ'),
'E'=>array('É','È','Ẻ','Ẽ','Ẹ','Ê','Ế','Ề' ,'Ể','Ễ','Ệ'),
'i'=>array('í','ì','ỉ','ĩ','ị'),
'I'=>array('Í','Ì','Ỉ','Ĩ','Ị'),
'o'=>array('ó','ò','ỏ','õ','ọ','ô','ố','ồ', 'ổ','ỗ','ộ','ơ','ớ','ờ','ở','ỡ','� �'),
'0'=>array('Ó','Ò','Ỏ','Õ','Ọ','Ô','Ố','Ồ', 'Ổ','Ỗ','Ộ','Ơ','Ớ','Ờ','Ở','Ỡ','� �'),
'u'=>array('ú','ù','ủ','ũ','ụ','ư','ứ','ừ', 'ử','ữ','ự'),
'U'=>array('Ú','Ù','Ủ','Ũ','Ụ','Ư','Ứ','Ừ', 'Ử','Ữ','Ự'),
'y'=>array('ý','ỳ','ỷ','ỹ','ỵ'),
'Y'=>array('Ý','Ỳ','Ỷ','Ỹ','Ỵ'),
'-'=>array(' ','&','?')
);

foreach($unicode as $nonUnicode=>$uni){
foreach($uni as $value)
$str = str_replace($value,$nonUnicode,$str);
}
return $str;
}
}
?>
